NASA needs good weather to launch Ares I-X because engineers need to see the rocket flight all the way through first stage separation, which will mark the end of the test.

NASA需要好天气来发射战神I-X，因为工程师们要在第一级火箭分离前观测火箭飞行全过程，第一级火箭分离标志着试飞的结束。

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This separation facilitates the resubmission of requests that end up with recoverable errors.

这种分离便于重新提交出现可恢复错误的请求。

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Once separation occurs, that?s really the end of the launch trajectory,? said Doug Cooke, associate administrator of NASA?s exploration program.

“一旦分离，实际上发射轨迹已经结束，”Doug Cooke说道, 他是NASA探测计划的副署长。

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He sought to end racial separation laws and other discrimination against African-Americans in the United States.

VOA: special.2009.01.16

By creating a third pillar of social change we can end that false separation between profit and purpose, between living and giving, between and consumption and contribution, and leverage the might of the private sector to build a world we want to leave for our children.

FORBES: Why Business Must Become A Third Pillar of Social Change